A Treatise On Diamonds And Pearls in Which Their Importance is Considered And
The book A Treatise On Diamonds And Pearls in Which Their Importance is Considered And was written by author David Jeffries Here you can read free online of A Treatise On Diamonds And Pearls in Which Their Importance is Considered And book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On Diamonds And Pearls in Which Their Importance is Considered And a good or bad book?
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10 Carats Multiplied by 20 Makes the total 200 Pounds E 42 A TREATISE ON Second Instance. To find the value of one of five carats e ; the weight doubled makes ten carats ; next reckon that weight in the foregoing manner, that makes every carat in this stone worth twenty pounds, ten shillings : so first multiply ten carats by twenty pounds, that makes two hundred pounds ; then mul- tiply ten carats by ten shillings, that makes one hundred shillings, or five pounds ; next add the value of a fourt...h of a carat at the rate of 20/. 10s. , that makes 5/. 2s. 6d. ; lastly, cast up these three sums, the total will be 210/. 2s. 6d. And is the value of the stone, rough or wrought. EXAMPLE. 10 Carats Multiplied by 20 Pounds Makes 200 Pounds 10 cts. Mult, by 10s. Makes 5 The value of J of a carat 1 ~ 9 at 20/. 10s. Is Makes the total 210 2 6 DIAMONDS AND PEARLS. 43 Third Instance. To find the value of one of five carats i ; the weight doubled makes ten carats 2 ; reckon that weight as in the two other cases, that makes every carat in this stone worth twenty-one pounds : so multiply ten carats by twenty-one pounds, that makes 210/.
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